Our lovely lemon tree is in trouble... We live in Northern California. Starting mid-last summer our tree began yellowing. We've called an arborist out to the house but the advice has been pretty ...
This Norway spruce's roots have always been on top of the ground. The soil it is growing on is very hard white dry soil with a layer of decayed needles on top. It has been growing fine so far, but ...
When most trees get over ten feet tall, they seem to be trying to grow every way but up. Staking would be impractical because of scale, and pruning often helps but does not force the tree to grow up. ...
I have an English walnut sapling that grows vigorously all summer, but at the beginning of Fall the leaves dry up and fall. It has been two years now. Is that a problem with the tree?